Which of the following has zero dipole moment?

1. 2.

3. 4.

Subtopic: Aliphatic Hydrocarbon- Physical Properties |

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Level 1: 80%+

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Q2:

The correct IUPAC name for this non-polar alkane is:

1. 3-Ethyl-4-methylheptane
2. 3-Ethyl-4, 7-dimethynonane
3. 3-Methyl-7-ethydecane
4. 3,4-Diethyl-5, 7-dimethylnonane

Subtopic: Aliphatic Hydrocarbon -Nomenclature, Isomerism & Mechanism |

87%

Level 1: 80%+

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Q18:

What is the total number of primary hydrogen atoms present in the given compound?

1. 3.0
2. 15
3. 17
4. 18

Subtopic: Aliphatic Hydrocarbon- Physical Properties |

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Q69:

Which among the following compounds is not considered aromatic?

1.		2.
3.		4.

Subtopic: Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |

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Q82:

Given below are two statements:

Statement I:	Friedel Crafts acylation of benzene is done using acetic anhydride in the presence of anhydrous AlCl_3.
Statement II:	Friedel Crafts acylation is an example of an electrophilic substitution reaction.

1.	Only Statement I is correct.
2.	Only Statement II is correct.
3.	Both Statements I and II are correct.
4.	Both Statements I and II are incorrect.

Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |

83%

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Q22:

Which of the following is a suitable reagent for the Wurtz reaction?
1. Na/ether
2. Na/alcohol
3. Zn/ether
4. Zn/alcohol

Subtopic: Aliphatic Hydrocarbon - Methods of Preparation |

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Q89:

Which species acts as an electrophile during the nitration of benzene?

1.	\( \mathrm{NO}_3^{-} \)	2.	\(\mathrm{NO}_2^{-} \)
3.	\(\mathrm{NO}_2^{+} \)	4.	\(\mathrm{HNO}_3\)

Subtopic: Aromatic Hydrocarbons - Reactions & Mechanism |

85%

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Q36:

Which of the following reagents can be used to distinguish between 1-butyne and 2-butyne?

1. \(\mathrm{H}_2 \mathrm{SO}_4\)
2. \(\mathrm{AgNO}_3+\mathrm{NH}_4 \mathrm{OH}\)
3. \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\)
4. \(\mathrm{NH}_4 \mathrm{OH}\)